Cell Biology Basics
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Cell Biology Basics

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Questions and Answers

¿Cuál es la función principal de la membrana plasmática?

  • Producir energía para la célula
  • Sintetizar proteínas
  • Separar la célula de su entorno (correct)
  • Regular el crecimiento y desarrollo de la célula

    • ¿Qué es el citoplasma?

  • Una organela que produce energía
  • Un líquido gelatinoso dentro de la célula (correct)
  • Un tipo de lisosoma
  • Una parte del núcleo que contiene el ADN

    • ¿Cuál es la función principal de los lisosomas?

  • Regular el crecimiento y desarrollo de la célula
  • Sintetizar proteínas
  • Digerir y reciclar desechos celulares (correct)
  • Producir energía para la célula

    • ¿Cuál es la función principal de la replicación celular?

    <p>Crear nuevas células a través de la división celular</p> Signup and view all the answers

    ¿Qué tipo de células carecen de núcleo?

    <p>Células procariotas</p> Signup and view all the answers

    ¿Cuál es la función principal de los mitocondrias?

    <p>Producir energía para la célula</p> Signup and view all the answers

    ¿Qué es el aparato de Golgi?

    <p>Un complejo de sacos aplanados</p> Signup and view all the answers

    ¿Cuál es la función principal del núcleo?

    <p>Controlar la célula y contener el ADN</p> Signup and view all the answers

    ¿Qué función realizan las células cuando responden a estímulos?

    <p>Reaccionan a cambios en el entorno</p> Signup and view all the answers

    ¿Cuál es la función principal de los ribosomas?

    <p>Sintetizar proteínas</p> Signup and view all the answers

    Study Notes

    Cell Structure

    • Plasma membrane: semi-permeable membrane that separates the cell from its environment
    • Cytoplasm: jelly-like substance inside the cell membrane, where metabolic processes take place
    • Nucleus: control center of the cell, contains genetic material (DNA)
    • Mitochondria: energy-producing organelles, responsible for cellular respiration
    • Endoplasmic reticulum: network of membranous tubules and cisternae, involved in protein synthesis and transport
    • Ribosomes: small organelles, site of protein synthesis
    • Lysosomes: membrane-bound sacs, contain digestive enzymes for breaking down and recycling cellular waste
    • Golgi apparatus: complex of flattened sacs, involved in protein modification and secretion

    Cell Functions

    • Metabolism: conversion of energy and nutrients into usable forms
    • Growth and development: increase in cell size and number, differentiation into specialized cells
    • Response to stimuli: ability to react to changes in environment, e.g. light, temperature, touch
    • Reproduction: creation of new cells through cell division (mitosis or meiosis)
    • Cell signaling: communication between cells, through chemical signals (hormones, neurotransmitters)

    Cell Types

    • Prokaryotic cells: lack nucleus, typically small and simple, e.g. bacteria
    • Eukaryotic cells: have nucleus, typically larger and more complex, e.g. plants, animals, fungi
    • Stem cells: undifferentiated cells, capable of differentiating into various cell types

    Cell Division

    • Mitosis: division of somatic cells, results in two identical daughter cells
    • Meiosis: division of reproductive cells, results in four non-identical daughter cells with half the number of chromosomes as the parent cell

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    Description

    Test your knowledge of cell structure, functions, types, and division. Learn about the components of a cell, cellular processes, and the different types of cells and cell division.

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